Guqin-Gao Shan Liu Shui ( High Mountain and Running Water) by Gong Yi
Listed as one of ten best ancient Chinese music pieces, "High Mountains Flowing Water" has lyre and zither versions, both inspired by the classical allusion: Boya encountering a person who understands his zither performance.
"Bo Ya was good at playing the qin. Zhong Ziqi was good at to listening to the qin. When Bo Ya's will was towards high mountains in his playing, Zhong Ziqi would say, 'How towering like Mount Tai!' When Bo Ya's will was towards flowing water in his playing, Zhong Ziqi would say, 'How vast are the rivers and oceans!' Whatever Bo Ya thought of Ziqi would never fail to understand. Bo Ya said, 'Amazing! Your heart and mines are the same!' When Ziqi died, Bo Ya broke the strings [of his qin] and vowed never to play [the qin] again. Thus, there was the melody of High Mountains Flowing Water."